Canonical: Validate NOT EXISTS tax_query does not error #3530
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As discussed in 55955, a NOT EXISTS tax_query causes a warning (PHP <= 7.4) or an error (PHP >= 8.0) in the
redirect_canonical
function because there is acount( $tax_query['terms'] )
check in that function that does not verify whether theterms
property is present. It will not be present in NOT EXISTS queries because there is no purpose in specifying individual terms when we are querying for posts which have no terms at all.Trac ticket: https://core.trac.wordpress.org/ticket/55955
This Pull Request is for code review only. Please keep all other discussion in the Trac ticket. Do not merge this Pull Request. See GitHub Pull Requests for Code Review in the Core Handbook for more details.